Machine for uniting the soles and uppers of boots or shoes



(No Model.) 2 Sheets$heeib 1. H. P. FAIRFIELD.

MACHINE FOR UNITING THE SOLES AND UPPERS 0F BOOTS 0R SHOES.

Patented Oct. 2'7, 1885.

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N. FETERS PholoLi Mgrzwiwr. Washinglun. D. C.

2 Sheets-Sheet 2.

(No Model.)

H. P. FAIRPIELD. MACHINE FOR UNITING THE SOLES AND UPPERS 0F BOOTS OR SHOES.

,f m I M 4 I r l N. FETERS. PhuiD-Ulhogmphor. Washirlglan. D C- V NITE Pn'rn r rrrca MACHINE FOR UNITING THE SOLES AND UPPERS F BOOTS OR SHOES.

SPECIFIQATION forming part of Letters Patent No. 329,031, dated October 27,1885;

Application filed February 24, 1885. Serial No. 156,708. (No model.)

To all whom/it may concern.-

Be it known that I, HADLEY P. FAIRF'IELD, of West Medford, county of Middlesex, State of Massachusetts, have invented an Improvement in Machines for Uniting Soles to Uppers, of which the following description, in connec tion with the accompanying drawings, is a specification, like letters 011 the drawings representing like parts.

This invention has for its object the production of a-Inachine inwhich the metal fastening employed may be riveted or clinched at both ends.

My invention is especially applicable for clinching that class of fastening which is cut from a long compound wire, or such a wire composed of two or more wires twisted together, or from a tube-like wire surrounding a flexible core. 1

The machine herein described is intended to bean improvement on the class of machine represented in United States Patent No. 135,681, wherein an independent clinching device is employed.

My improved machine contains a compound driver composed essentially of a rod and a closely-fitting tube which surrounds it, each one being actuated independently for part of the driving-stroke. The wire to be driven is cut off in lengths measured to conform to the thickness of the stock, and each length as cut off is taken by a carrier and placed in the line of movement of the center rod or portion of the driver, the latter driving the fastening from the carrier into and through the tubular part of the compound driver and into and through the stock, and into a cavity below it in the horn, which latter is provided with a i hammer that takes the place of the clinching device shown in the said patent, the said hammer being operated antomatically by .means of mechanism within the horn, the

l with the lower end of the tubular part of the driver, and both the center part and the said tubular part then remain stationary and act as an abutment or stop for the upperend of the fastener, while the hammer in the horn operates,as described,to clinch the driven end of the fastener, and thereafter the center rod and tubular part of the com-pound driver descend together to clinch the upper end of the fastening, the hammer in the horn acting at such time as an abutmentfor the lower end of the fastener.

One part of myinvention consists in a twopart or compound driver, and also in the combination with the same of a hammer or clinching device in the horn.

Figure 1, in side elevation, represents a machine embodying my invention, a part of a shoe being shown upon the horn, the drivingpulleys shown at the left of Fig. 2 being omitted. Fig. 2 is a front elevation thereofv with the shoe removed. Fig. 3 is a vertical central section of Fig. 2, the treadle to depress the horn for the application of the shoe thereto being omitted. Fig. 4 is a partial top view. Fig. 5 is a sectional detail of the lever and connected parts for operating the tubular part of the compound driver; Fig. 6, a detail of the cutters and their actuating device. Fig. 7 is a detail of the carrier for the fastener, together with a cross-section of the drivers. Fig. 8 is a sectional detail of the lever to lift the nosepiece; Fig. 9, a detail top view of the horn broken out; Fig. 10, a section in the line :0 :0, Figs.- 1 and 3,1ooking down; and Fig. 11 is an under side view,looking upward of the nose and the lower end of the compound driver. 1 i

The frame-work A, of suitable shape to sustain the working parts, has a main shaft, A, having upon it a fast pulley, A and a loose pulley, A. -The shaft A has fast upon ita triple cam, B, cams O, D", and E.

The tubular portion A of the frame-work receives within it the sleeve a, to the lower end of which is attached the tube a of the compound driver, and inside the sleeve a is placed the driver-rod a to the lower end of which is attached the centerrod, a of the compound driver. The lower end of the tubu- 10o 3, which is acted upon by the cam D front end of the said arm D is forked to em- 1ar portion A of the frame-work has fitted upon it the upper end of the-nose-carrier D, which is made vertically movable thereon by means of the arm D, projected from the rockshaft D, the latter having a second arm, D (shown by dotted lines in Fig. 1, and in section in Fig. 8,) the said arm having a roller-stud, The

brace a pin or stud, 2, of the nose-carrier D, provided at its lower end with the nose D the latter being attached to the nose-carrier by means of the two screws D D, (see Fig. 11,) the said nose being oblong in shape externally, as shown in said Fig. .2, so that the nose can enter the channel and hold the flap up, as

shown in Fig. '3.

The driver-rod a of the compound driver is provided at its upper end with a cross-head, a which is held in place, as shown, by a nut, a. This cross-head has joined to it at each side the driver-rod a link, 0', each link being in turn jointed to the front end of 'a forked lever, 0, attached to a rock-shaft e the said shaft having a second arm, a", which at its other end is provided with a roller-stud that is acted upon by the cam O, the said roller-stud entering a cam-groove, (shown in dotted lines in Fig. 1,) the said groove being of proper shape to operate the driver-rod positively in both directions of its movement, the descending stroke thereof being divided into two stages, as before stated.

The sleeve a, carrying the tube a, which forms part of the compound d river, has at each sideap'in or stud, 7, which is embraced by the forked front end, 12 (see Fig. 5,) of a lever, EB, mounted on a fulcrum, b, and having a v r'e'ar'wardly-extended arm, if, provided with a 'r'oller -'stu"d, '1), which enters a cam shaped groove in the triple cam B, (see Fig. 3,) the said cam moving the lever B to reciprocate thetubular part a. of the compound driver,

"so that its end shall move in unison and be flush with the lower end of the center rod, a

'dnringsu'ch time as the upper end of the fastening is being clinched in the channel.

The wire to be used for the production of the fastenings will preferably be such as represented in United States Patent No. 110,431 and N 0. 193,690; but I desire it to be understoodthat I may employ any other usual wire or fastening material.

"The wire f is passedthrough a feeding-slide,

'55 f", placed loosely in a guide, f, attached to the frame of the machine, the feeding-slide being reciprocated in the said guide by means the dog carries the wire down, and with it the feeding-slide to feed the wire into the carrier, to be described.

The downward stroke of the slide f, after the dog engages the wire, will be variable according to the variation in the thickness of the stock and the position of the horn vertiinto the carrier will be determined by an arm,

e, on a rocker-shaft, 0, against which armthe lower end of the feed-slide strikes, after which, in the further downward movement of the arm 0 and cross-block f, the spring is compressed. The rock-shaft c has at the righthand end of the machine a secondarm, 6 (shown in dotted lines, Fig. 1, and partly in full lines, Fig.3,)which arm is connected loosely to a rod, a, loosely connected at its lower end with an arm, e, of a rocker-shaft, e, the said shaft having attached to it a tri-armed lever, 6, one arm of which has a face, as at 14, to impinge against a face, 15, of the feed-measuring lever F, pivoted at F on the frame-work,

the said lever being forked at its front end, and provided with anti-friction rollers F'-, which rest against the collar F on the hornshaft F*, the spring F acting to keep the roll-- ers in contact with the said collar, and also to keep the horn pressed up toward the nose.

When the nose isforced down into the channel to hold the shoe prior to driving each fastening, the horn is depressed more or less, according to the thickness of the stock on the horn under the nose, and the feed-measuring lever is turned, changing the position of the face of the said lever, so as to sooner or later arrest the end 14 of the tri-armed lever e", or to stop it in the position necessary to enable the feed of the wire to be measured to the thickness-of the stock. The end 14 of the triarmed lever is lifted, just before feeding the wire for each fastening, and while the feedm'easuring lever is being put into position, by the projection 16 of the triple cam B, which projection acts upon a roller, 9, at the upper end of the rod 9, passed through fixed guides g but as soon as the projection 16 passes the roller the spring. 9, resting on one of the guides g", and acting against the collar 9 moves the rod 9' and throws the end 14 of the. tri-armed lever against the end 15 of the measuring-lever. As thetri-armed lever is moved, as last de- IIS scribed, the arm e, connected with the shaft of wire fed into the carrier for the production of the next fastening will be' automatically varied in accordance with the thicknessof the stock. As the arm a is lifted,the cross-block f acts against the nut 12 and lifts the slidef,

' a blade, h, and at its other end a rollerstud,

the said levers being operated once at each rotation of the cam B by means of projections h at opposite sides of the said cam, the said projections acting as a wedge between the said roller-studs in.

' The carrier or transferrer for the fastening cut from the wire, and best shown in Figs. 7 and 3, is composed of two spring-arms, m m, connected to a slide-block, in, having a rearward extension, m and an upward extension,

18, the rearward extension passing through a spiral spring, 19, and thence through a hole in the frame-work A, where it is provided with the nuts 20, which regulate the forward position of the said carrier when underthe control of the said spring, the carrier being moved backward by the lever a, mounted loosely on the rocksliaft c, the said lever be ing acted upon by the screw 21 inthe crossbloek f attached to and moving with the arms a.

The forward end of each arm of the carrier (see Fig. 7) is concaved, as at m forming a pair of spring-jaws, with aspace between of suitable size to receive the wire as the latter is fed from the guide f as is the case when the carrier is held back, as in Fig. 8 After the cutters are operated to sever the wire and leave in the carrier or between its jaws a piece of wire of the length desired for the next fastening to be driven, the arm 0 will be raised, liftingthedriver-rod a and the center rod, a, of the compound driver, which thus relieves the lever n from the pressure of the screw 2l,permitting the spring 19to move the carrier with its fastener forward, the front end of the carrier entering the space 22 and placing the fastening or short length of wire in line with the end of the center rod of the compound driver, so that as the latter descends it will strike the upper end of the fastening and drive it from the carrier down through the tubular part a of the compound driver and into the stock 0, the latter being the term em ployed by me to designate the sole of the boot or shoe, the stock resting on the horn and being channeled, as shown, in the line in which the fastenings are to be driven, the nose D entering the said channel, as shown in Fig. 3. The center rod, a of the driver descends between the jaws of the carrier and drives the fastener into the stock until the upper end of the fastener comes flush with the lower end of the tubular part aof the compound driver, when the descent of the center rod is temporarily arrested, the lower end of the fastening at such time resting in a recess in the horn G. \Vhile the two parts of the compound driver rest with their ends flush with each other, the

hammer H, pivoted in the horn at H, is oper ated, as will be described, to rivet or clinch the lower end of the wire, the COIE pound driver then acting as an abutment; but as soon as the hammer clinches the said lower end of the fastening, it remains at rest, while the compound driver, its two parts having their ends flush, is thrown farther down, and at such second part of the divided descent of the compound driver to clinch or upset the upper end of the fastening in the channel formed in the stock the hammer H acts as anwabutment against the lower end of the fastening, the hammer being held by the spring 1'.

The carrier for the fastener must be drawn back while the center rod of the driver is descending through it. tion of the screw 21 on the lever 12, the split or jaw-like front end of the carrier being separated as the carrier is pushed back laterally away from the center rod, by the wedge 0, (see Fig. 7,) supported by the spring 0, the wedge, when the driver-rod is descending in the space m occupying a posit-ion in the space 23 between the arms on m.

. The thin edge of the wedge is directed to ward the front of the machine, and as the carrier is driven back its shouldered portion between the spaces 23 and 24: acts against the wedge, and the latter forces thejaws apart, permitting the part of to separate and not strain the center rod of the driver.

When the carrier is moved forward to transfer a fastening into position to be struck by the center rod of the driver, or forward from the position Figs. 3 and 7, the under side of the carrier, striking the downwardly and back wardly inclined rear edge of the wedge, depresses the same, compressing the spring "0 under it, the wedge being thrown up quickly as soon as the space 23 arrives in position above it.

The lower arm of the tri-armed lever, by means of a forked rod,p, is madeto engagea pin, 19, of thelever p pivoted at 12 forked at its front end to embrace the hammer'operating rod 'p", and having rollers 19*, which act upon the flange of and sustain the sleeve 19, placed on the said rod 79 loosely and free to slide in the guide p. The rod 19 between the top of the sleeve 1) and the lower end of horn-stem F placed loosely in a guide, A", of the frame, is surrounded by a spiral spring, r, which, acted upon by the end of the hornstem, keeps the collar of the sleeve down upon thelever p or the rollsp", the lower end of the sleeve p acting onthe nut 19 causing the rod 19 to descend with the sleeve.

The measuring-lever at one side is provided with a horn-rod locking device, a", made as a hook, pivoted at 1', the hook engaging a pin or projection, r, on the leverp. The lever r at its upper end is joined by link r with a lever, r pivoted at r". The lever r at its upper end has aroller, 1,- which is acted upon by a projection (see Fig. 1) of the cam E as the fastening is driven through the stock This is done by the acinto the position Fig. 3, such movement of the lever effecting the release of the catch from the projection r and enabling the spring r, acting on the sleevep, to pull the rodp down, causing the slotted head 26 of the rod 19 (see Figs. 3 and 10,) acting on the lower end, 25, of the lever s, pivoted at s in the horn, and engaged at its upper end with the lower notched end of the hammer, to quickly throw the face of the hammer against the lower end of the fastening standing in the cavity at the top of the horn, thus clinching the same at the inner side of the inner sole, u, the compound driver standing at such time as an abutment against the upper end of the fastener, as shown in Fig. 3, where the fastener is marked 27, and the hammer is thereafter held by the spring r faceagainst the lower end of the fastener, forming an abutment, while the compound driver, with the lower end of its two parts flush, descends together to clinch the upper end of the fastener in the channel t of the outer sole, t.

The horn may-be lowered by placing the foot on the lever 16*, (shown in Figs. 1 and 2,) which is attached by link i with the measuring-lever F, the spiral spring t, interposed between the guide 19 and the lever E, keeping the horn normally pressed upward.

I claim- 1. In a machine for uniting soles to uppers, a horn tosupport the stock, combined with a compound driver composed of a movable rod and a movable tube arranged outside of the rod, the tube acting as a guide for the fastener, located above but not in contact with the stock, the rod striking the end of the fastener after it is cut off and driving it partially into the stock, leaving the upper end of the fastener flush with the lower end of the said tube, substantially as described.

2. The horn and its hammer, combined with the compound driver composed of an independently-movable rod and tube, the latter guiding the fasteners, while the former drives the fastening through it into the stock,'with its upper end flush with the end of the tube, substantially as described.

per end of the fastening flush with the end of the said tubular part, in which position the driver remains while the hammer acts to clinch the lower end of the fastening, the hammer then in turn remaining at rest, forming an abutment for the lower end of the fastening, v

while the two parts of the compound driver descend and clinch the upper end of the fastening in the channel cut in the stock, substan-.

tially as described.

4. The sleeve, its attached tube, the drivera rod, and the attached center rod, and the part A of the frame, combined with the independently-movable nose and nose-carrier, and with means, substantially as described, to operate the said parts.

5. In a machine for uniting soles to uppers, V

a driver-bar and attached rod having a divided downward movement, as described, to at first partially drive a fastening and then remain at rest, while the lower end of the fastening is clinched, and then by its further downward movement to clinch the upper end of the fastening, in combination with ahorn and a hammer to clinch the lower end of the fastening and act as an abutment for the lower end of the fastening, of which the upper end of the latter is being clinched by the said rod, substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

HADLEY P. .FAIRFIELD.

Witnesses:

G. W. GREGORY, W. H. Sresrron. 

